Home / 7,231,203.23-9,979,032.84-3,968,072.51

Finding the Fourth Proportional to 7,231,203.23, 9,979,032.84 and 3,968,072.51

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Solution

The fourth proportional to 7,231,203.23, 9,979,032.84 and 3,968,072.51 is: 5,475,924.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231,203.23 : 9,979,032.84 = 3,968,072.51 : x
  2. Step 2: Convert to fraction form
    7,231,203.23/9,979,032.84 = 3,968,072.51/x
  3. Step 3: Cross multiply
    7,231,203.23x = 9,979,032.84 × 3,968,072.51
  4. Step 4: Simplify right side
    7,231,203.23x = 39,597,525,888,791.23
  5. Step 5: Solve for x
    x = 39,597,525,888,791.23/7,231,203.23
  6. Step 6: Final answer
    x = 5,475,924.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.